31898720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1499}}^1$

素因数の和:1540

約数の個数: 96

約数和(自身を含む): 90720000

約数和(自身を除く): 58821280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 760, 1064, 1120, 1330, 1499, 1520, 2128, 2660, 2998, 3040, 4256, 5320, 5996, 7495, 10493, 10640, 11992, 14990, 20986, 21280, 23984, 28481, 29980, 41972, 47968, 52465, 56962, 59960, 83944, 104930, 113924, 119920, 142405, 167888, 199367, 209860, 227848, 239840, 284810, 335776, 398734, 419720, 455696, 569620, 797468, 839440, 911392, 996835, 1139240, 1594936, 1678880, 1993670, 2278480, 3189872, 3987340, 4556960, 6379744, 7974680, 15949360, 31898720]

約数ペア:

[(1, 31898720), (2, 15949360), (4, 7974680), (5, 6379744), (7, 4556960), (8, 3987340), (10, 3189872), (14, 2278480), (16, 1993670), (19, 1678880), (20, 1594936), (28, 1139240), (32, 996835), (35, 911392), (38, 839440), (40, 797468), (56, 569620), (70, 455696), (76, 419720), (80, 398734), (95, 335776), (112, 284810), (133, 239840), (140, 227848), (152, 209860), (160, 199367), (190, 167888), (224, 142405), (266, 119920), (280, 113924), (304, 104930), (380, 83944), (532, 59960), (560, 56962), (608, 52465), (665, 47968), (760, 41972), (1064, 29980), (1120, 28481), (1330, 23984), (1499, 21280), (1520, 20986), (2128, 14990), (2660, 11992), (2998, 10640), (3040, 10493), (4256, 7495), (5320, 5996)]